This is the COMPLETE Service Repair Manual for the Case 21E/121E/221E/321E Series 3 Tier 3 Compact Wheel Loader. It contains deep information about maintaining, assembly, disassembly and servicing your Case Compact Wheel Loader.
Models Covered:
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Case 21E Series 3 Tier 3 Compact Wheel Loader
Case 121E Series 3 Tier 3 Compact Wheel Loader
Case 221E Series 3 Tier 3 Compact Wheel Loader
Case 321E Series 3 Tier 3 Compact Wheel Loader
This Manual contains information and data to this model. has specs, diagrams, and actual real photo illustrations, and schemes, which give you complete step by step operations on repair, Diagnosing, servicing, technical maintenance & troubleshooting procedures for your machine. this manual offers full information you need for repair your machine. the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service. YOU CAN DO THE REPAIRS YOURSELF AND SAVE MONEY $$$
SERVICE REPAIR MANUAL CONTAINS:
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SECTION 00 – INTRODUCTION
1. SAFETY INSTRUCTIONS
2. GENERAL SAFETY INSTRUCTIONS
3. TECHNICAL SPECIFICATIONS
SECTION 10 – ENGINE
1. DIESEL ENGINE
2. FUEL SYSTEM
SECTION 25 – FRONT AXLES
1. REMOVAL AND INSTALLATION
2. DIMENSIONS
3. TECHNICAL SPECIFICATIONS
4. OIL CHANGE
5. DISASSEMBLY AND ASSEMBLY
5.1 DISC BRAKE ASSY
5.2 BRAKE CALIPER
5.3 REDUCTION GEAR (21E)
5.4 REDUCTION UNIT (121E, 221E, 321E)
5.5 WHEEL HUB (21E)
5.6 WHEEL HUB (121E, 221E, 321E)
5.7 WHEEL SHAFT (121E, 221E, 321E)
5.8 BRAKE AND WHEEL SHAFT (121E, 221E, 321E “HIGH SPEED”)
5.9 DIFFERENTIAL SUPPORT
5.10 DIFFERENTIAL ASSY
5.11 PINION
6. TROUBLESHOOTING
7. SPECIAL TOOLS
SECTION 27 – REAR AXLES
1. REMOVAL AND INSTALLATION
2. DIMENSIONS
3. TECHNICAL SPECIFICATIONS
4. OIL CHANGE
5. DISASSEMBLY AND ASSEMBLY
5.1 MOTOR TB150
5.2 MOTOR TB138.5 “HIGH SPEED”
5.3 TRANSMISSION BOX TB150
5.4 TRANSMISSION TB138.5 “HIGH SPEED”
5.5 REDUCTION GEAR (21E)
5.6 REDUCTION UNIT (121E, 221E, 321E)
5.7 WHEEL HUB (21E)
5.8 WHEEL HUB (121E, 221E, 321E).
5.9 WHEEL SHAFT (121E, 221E, 321E).
5.10 DIFFERENTIAL SUPPORT
5.11 DIFFERENTIAL ASSY
5.12 LIMITED SLIP DIFFERENTIAL ASSY.
5.13 PINION
6. TROUBLESHOOTING
7. SPECIAL TOOLS
SECTION 33 – BRAKE SYSTEM
1. BRAKE SYSTEM DIAGRAM
1.1 STANDARD DIAGRAM
1.2 “HIGH SPEED” DIAGRAM
2. TECHNICAL SPECIFICATIONS
2.1 BRAKE PEDAL VALVE
2.2 PRESSURE SWITCHES
3. OPERATION
3.1 SERVICE BRAKE OPERATION
3.2 PARKING BRAKE OPERATION
4. BRAKE PEDAL VALVE
5. PRESSURE SWITCHES
6. BRAKE ACCUMULATOR
6.1 TECHNICAL SPECIFICATIONS
7. CHECKS AND ADJUSTMENTS
7.1 SERVICE BRAKE SYSTEM PRESSURE CHECK
7.2 ACCUMULATOR PRESSURE CHECK.
7.3 PEDAL ANGLE ADJUSTMENT
7.4 “INCHING” VALVE ADJUSTMENT
8. TROUBLESHOOTING
SECTION 35 – HYDRAULIC SYSTEM
1. HYDRAULIC DIAGRAMS
1.1 HYDRAULIC DIAGRAM FOR 21E
1.2 HYDRAULIC DIAGRAM FOR 21E WITH OPTIONAL OUTFITS
1.3 HYDRAULIC DIAGRAM FOR 121E
1.4 HYDRAULIC DIAGRAM FOR 121E WITH OPTIONAL OUTFITS
1.5 HYDRAULIC DIAGRAM FOR 221E
1.6 HYDRAULIC DIAGRAM FOR 221E WITH OPTIONAL OUTFITS
1.7 HYDRAULIC DIAGRAM FOR 321E
1.8 HYDRAULIC DIAGRAM FOR 321E WITH OPTIONAL OUTFITS
2. TRANSMISSION
2.1 HYDRAULIC DIAGRAM
2.2 OPERATION
2.3 ADJUSTMENTS
3. VARIABLE-DISPLACEMENT PISTON PUMP
3.1 TECHNICAL SPECIFICATIONS
3.2 MAIN VALVES
3.3 DISASSEMBLY
3.4 ASSEMBLY
4. GEAR PUMP
4.1 TECHNICAL SPECIFICATIONS
4.2 COMPONENTS
4.3 DISASSEMBLY AND ASSEMBLY
5. PRIORITY VALVE
5.1 TECHNICAL SPECIFICATIONS
6. TRAVEL MOTOR
6.1 TECHNICAL SPECIFICATIONS
6.2 MAIN COMPONENTS
6.3 OPERATION
6.4 REMOVAL
6.5 DISASSEMBLY AND ASSEMBLY
7. ONE-WAY DISTRIBUTOR VALVE
8. HYDRAULIC OIL TANK
8.1 OIL FILTER
9. TROUBLESHOOTING
SECTION 39 – FRAME
1. ARTICULATED JOINT
1.1 COMPONENTS
1.2 DISASSEMBLY AND ASSEMBLY
SECTION 41 – STEERING SYSTEM
1. OPERATION.
1.1 EMERGENCY STEERING
1.2 PRESSURE ADJUSTMENT
2. POWER STEERING
2.1 TECHNICAL SPECIFICATIONS
2.2 COMPONENTS
2.3 DISASSEMBLY AND ASSEMBLY
2.4 TROUBLESHOOTING
2.5 SPECIAL TOOLS
3. STEERING CYLINDER
3.1 REMOVAL AND INSTALLATION
3.2 DISASSEMBLY
4. TROUBLESHOOTING
SECTION 50 – HEATING AND AIR CONDITIONING SYSTEM
1. HEATING
2. AIR CONDITIONING
3. TROUBLESHOOTING
SECTION 55 – ELECTRICAL SYSTEM
1. ELECTRICAL DIAGRAMS
2. FUSES AND RELAYS
3. VOLTAGE AND CONTINUITY CHECK
4. BATTERY
4.1 REPLACEMENT
5. BULBS
6. TROUBLESHOOTING
SECTION 82 – WORKING EQUIPMENT
1. HYDRAULIC DIAGRAM
2. OPERATION
3. REMOVAL AND INSTALLATION
4. QUICK TOOL COUPLER
4.1 COMPONENTS
4.2 QUICK TOOL COUPLER CYLINDERS
5. BUCKET
5.1 ASSEMBLY
5.2 DISASSEMBLY
5.3 BUCKET TEETH – REPLACEMENT
6. FORKS
6.1 DISASSEMBLY AND ASSEMBLY
6.2 CHECKS
7. CYLINDERS.
7.1 BOOM CYLINDER
7.2 DUMPING CYLINDER
8. CONTROL VALVE
9. LOAD HOLDING VALVE
9.1 TECHNICAL SPECIFICATIONS.
10. TROUBLESHOOTING
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** Model Specification: Case 21E/121E/221E/321E Series 3 Tier 3 Compact Wheel Loader
** Language: English
** Total Pages: 488
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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